Re: [RFC] Cache negative delta pairs

Linus Torvalds [off-list ref] writes:

Instead of having a separate cache, wouldn't it be much better to just 
take the hint from the previous pack-file?

In the repacking window, if both objects we are looking at already came 
from the same (old) pack-file, don't bother delta'ing them against each 
other. 

That means that we'll still always check for better deltas for (and 
against!) _unpacked_ objects, but assuming incremental repacks, you'll 
avoid the delta creation 99% of the time.

I bow down before you.

No ugly special-case caching, just automatically "the right
thing", with very little overhead.

It just makes sense.

We have a winner.

;-)